Evo jednog primera, meni radi.
HTML kôd:
<style>
.file_input_div
{
position: relative;
width: 190px;
height: 27px;
overflow: hidden;
}
.file_input_button
{
width: 190px;
position: absolute;
top: 0px;
background-color: #2791CB;
color: #FFFFFF;
border:0px;
padding:2px;
font-weight:bold;
cursor:pointer;
}
.file_input_hidden
{
font-size: 45px;
position: absolute;
right: 0px;
top: 0px;
opacity: 0;
cursor:pointer;
filter: alpha(opacity=0);
-ms-filter: "alpha(opacity=0)";
-khtml-opacity: 0;
-moz-opacity: 0;
}
</style>
<div class="file_input_div">
<input type="button" value="Dodaj dokument" class="file_input_button box_border" />
<input type="file" id="fileNameDodC4" class="file_input_hidden" name='fajl' />
</div>